✏️ Editing: Reference_model.php

<?php

if (!defined('BASEPATH'))
    exit('No direct script access allowed');

class reference_model extends MY_Model {

public function __construct() {
        parent::__construct();
        $this->current_session = $this->setting_model->getCurrentSession();
        $this->current_session_name = $this->setting_model->getCurrentSessionName();
        $this->start_month = $this->setting_model->getStartMonth();
    }

function add($reference) {
        $this->db->trans_start(); # Starting Transaction
        $this->db->trans_strict(false); # See Note 01. If you wish can remove as well
        //=======================Code Start===========================
        $this->db->insert('reference', $reference);
        $id = $this->db->insert_id();
        $message = INSERT_RECORD_CONSTANT . " On reference id " . $id;
        $action = "Insert";
        $record_id = $id;
        $this->log($message, $record_id, $action);        
        //======================Code End==============================

$this->db->trans_complete(); # Completing transaction
        /* Optional */

if ($this->db->trans_status() === false) {
            # Something went wrong.
            $this->db->trans_rollback();
            return false;
        } else {
            //return $return_value;
        }
    }

public function reference_list($id = null) {
        $this->db->select()->from('reference');
        if ($id != null) {
            $this->db->where('reference.id', $id);
        } else {
            $this->db->order_by('reference.id');
        }
        $query = $this->db->get();
        if ($id != null) {
            return $query->row_array();
        } else {
            return $query->result_array();
        }
    }

public function delete($id) {
        $this->db->trans_start(); # Starting Transaction
        $this->db->trans_strict(false); # See Note 01. If you wish can remove as well
        //=======================Code Start===========================
        $this->db->where('id', $id);
        $this->db->delete('reference');
        $message = DELETE_RECORD_CONSTANT . " On  reference id " . $id;
        $action = "Delete";
        $record_id = $id;
        $this->log($message, $record_id, $action);
        //======================Code End==============================

$this->db->trans_complete(); # Completing transaction
        /* Optional */

public function update($id, $data) {
        $this->db->trans_start(); # Starting Transaction
        $this->db->trans_strict(false); # See Note 01. If you wish can remove as well
        //=======================Code Start===========================
        $this->db->where('id', $id);
        $this->db->update('reference', $data);
        $message = UPDATE_RECORD_CONSTANT . " On  reference id " . $id;
        $action = "Update";
        $record_id = $id;
        $this->log($message, $record_id, $action);
        //======================Code End==============================

$this->db->trans_complete(); # Completing transaction
        /* Optional */

}

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